Maxillary sinus
海默爾氏竇，上頜骨竇
?? 詞語組成解析
a. 頜的, 上頜骨的\\nn. 上頜骨
n. 竇, 靜脈竇, 凹陷處
??? 情景例句
Anything can I help you with?
有我能幫忙的地方嗎？
It doesn't matter to me.
兩個都可以。
I really need to lose some weight.
我真的需要減肥了。